ftp(1) - ARPANET file transfer program {oss}

tftp(1) - trivial file transfer program {oss}

ftpd(8) - Internet File Transfer Protocol server {oss}

tftpd(8) - DARPA Trivial File Transfer Protocol server {oss}

Applications and Utilities

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File Transfer and Distribution - (other methods of transfering files, some methods pre-date FTP.)

Up to File Transfer and Distribution - Protocols and Methods of transfering files and directories, distributing and installing software. (file collections and archives, FTP, cvsup, NFS, et al.)

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